EP0247823A3 - An improved laser apparatus an improved laser apparatus - Google Patents

An improved laser apparatus an improved laser apparatus Download PDF

Info

Publication number
EP0247823A3
EP0247823A3 EP87304638A EP87304638A EP0247823A3 EP 0247823 A3 EP0247823 A3 EP 0247823A3 EP 87304638 A EP87304638 A EP 87304638A EP 87304638 A EP87304638 A EP 87304638A EP 0247823 A3 EP0247823 A3 EP 0247823A3
Authority
EP
European Patent Office
Prior art keywords
laser apparatus
improved laser
improved
laser
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP87304638A
Other versions
EP0247823A2 (en
EP0247823B1 (en
Inventor
Itamar Shoshan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EL-OP ELECTRO-OPTICS INDUSTRIES Ltd
Original Assignee
EL-OP ELECTRO-OPTICS INDUSTRIES Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by EL-OP ELECTRO-OPTICS INDUSTRIES Ltd filed Critical EL-OP ELECTRO-OPTICS INDUSTRIES Ltd
Publication of EP0247823A2 publication Critical patent/EP0247823A2/en
Publication of EP0247823A3 publication Critical patent/EP0247823A3/en
Application granted granted Critical
Publication of EP0247823B1 publication Critical patent/EP0247823B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/23—Arrangements of two or more lasers not provided for in groups H01S3/02 - H01S3/22, e.g. tandem arrangements of separate active media
    • H01S3/2308—Amplifier arrangements, e.g. MOPA
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/08—Construction or shape of optical resonators or components thereof
    • H01S3/08054—Passive cavity elements acting on the polarization, e.g. a polarizer for branching or walk-off compensation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/08—Construction or shape of optical resonators or components thereof
    • H01S3/08018—Mode suppression
    • H01S3/0804—Transverse or lateral modes
    • H01S3/0805—Transverse or lateral modes by apertures, e.g. pin-holes or knife-edges
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/08—Construction or shape of optical resonators or components thereof
    • H01S3/081—Construction or shape of optical resonators or components thereof comprising three or more reflectors
    • H01S3/0813—Configuration of resonator
    • H01S3/0816—Configuration of resonator having 4 reflectors, e.g. Z-shaped resonators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/08—Construction or shape of optical resonators or components thereof
    • H01S3/081—Construction or shape of optical resonators or components thereof comprising three or more reflectors
    • H01S3/082—Construction or shape of optical resonators or components thereof comprising three or more reflectors defining a plurality of resonators, e.g. for mode selection or suppression

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
  • Laser Surgery Devices (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
EP87304638A 1986-05-27 1987-05-26 An improved laser apparatus Expired - Lifetime EP0247823B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IL78936A IL78936A (en) 1986-05-27 1986-05-27 Laser apparatus
IL78936 1986-05-27

Publications (3)

Publication Number Publication Date
EP0247823A2 EP0247823A2 (en) 1987-12-02
EP0247823A3 true EP0247823A3 (en) 1989-07-12
EP0247823B1 EP0247823B1 (en) 1992-12-09

Family

ID=11056813

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87304638A Expired - Lifetime EP0247823B1 (en) 1986-05-27 1987-05-26 An improved laser apparatus

Country Status (7)

Country Link
US (1) US4731788A (en)
EP (1) EP0247823B1 (en)
JP (1) JPS6324687A (en)
CA (1) CA1287154C (en)
DE (1) DE3782973T2 (en)
IL (1) IL78936A (en)
NO (1) NO168397C (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4858239A (en) * 1988-05-26 1989-08-15 Elop Electrooptics Industries Ltd. Laser system
US4955725A (en) * 1989-02-17 1990-09-11 Spectra Physics Laser oscillator/amplifier with compensation for stress birefringence
US5027365A (en) * 1989-04-21 1991-06-25 Metalaser Technologies, Inc. Pulsed laser and method
GB8912765D0 (en) * 1989-06-02 1989-07-19 Lumonics Ltd A laser
US5132842A (en) * 1989-07-21 1992-07-21 Rockwell International Corporation Optical image transformation system
DE3930495C2 (en) * 1989-09-12 1996-11-07 Rofin Sinar Laser Gmbh Device for setting the focus diameter and focus position of a laser beam
US5557630A (en) * 1995-01-13 1996-09-17 Scaggs; Michael J. Unstable laser resonator
IL126915A (en) * 1998-11-05 2002-09-12 Elop Electrooptics Ind Ltd System and method for amplification of a laser beam
DE19855801A1 (en) * 1998-12-03 2000-06-15 Astrid Schastak Fa Wide beam oscillator-amplifier device for industrial or medical laser has concave mirror, planoconvex lens, polarization-dependent beam splitter and polarization plane rotation device
JP3619106B2 (en) * 2000-02-22 2005-02-09 三菱電機株式会社 Self-compensating laser resonator
DE10045371B4 (en) * 2000-09-14 2007-08-16 Lisa Laser Products Ohg Fuhrberg & Teichmann Laser with a resonator, in which a laser rod and a telescope are arranged
US20040076204A1 (en) * 2002-10-16 2004-04-22 Kruschwitz Brian E. External cavity organic laser
JPWO2016046871A1 (en) * 2014-09-22 2017-06-29 ギガフォトン株式会社 Laser equipment
GB2539252B (en) * 2015-06-12 2017-08-23 Thales Holdings Uk Plc Optical apparatus
CN109904717B (en) * 2019-04-03 2020-05-05 中国科学院理化技术研究所 Unstable cavity laser
CN113054518B (en) * 2021-06-01 2021-08-10 四川光天下激光科技有限公司 Curved panel strip laser amplifier

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3508166A (en) * 1967-10-09 1970-04-21 Trw Inc Passive optical isolator
US3609590A (en) * 1969-12-11 1971-09-28 Us Navy Expanded laser beam output
US4011523A (en) * 1975-10-21 1977-03-08 Trw Inc. Azimuthal mode control for laser
DE3517814A1 (en) * 1985-05-17 1986-11-20 Standard Elektrik Lorenz Ag, 7000 Stuttgart Laser arrangement

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2221057A1 (en) * 1972-04-28 1973-11-08 Siemens Ag LASER-OSCILLATOR-AMPLIFIER COMBINATION FOR GENERATING THE BASIC MODE
US3919664A (en) * 1973-01-22 1975-11-11 Northrop Corp Optical oscillator-amplifier laser configuration
US4127828A (en) * 1976-04-12 1978-11-28 Molectron Corporation Optical beam expander for dye laser
FR2405569A1 (en) * 1977-10-04 1979-05-04 Quantel Sa LASER OSCILLATOR LIMITED BY HIGH-EFFICIENCY DIFFRACTION
SU813570A1 (en) * 1978-05-03 1985-10-23 Ордена Трудового Красного Знамени Институт Физики Ан Бсср Laser

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3508166A (en) * 1967-10-09 1970-04-21 Trw Inc Passive optical isolator
US3609590A (en) * 1969-12-11 1971-09-28 Us Navy Expanded laser beam output
US4011523A (en) * 1975-10-21 1977-03-08 Trw Inc. Azimuthal mode control for laser
DE3517814A1 (en) * 1985-05-17 1986-11-20 Standard Elektrik Lorenz Ag, 7000 Stuttgart Laser arrangement

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Soviet Inventions Illustrated, Section E1, Week 8610, April 16, 1986 Derwent Publications Ltd., London V 08 & SU-813-570 (Belo Phys Inst) *

Also Published As

Publication number Publication date
IL78936A (en) 1990-02-09
NO168397B (en) 1991-11-04
JPS6324687A (en) 1988-02-02
EP0247823A2 (en) 1987-12-02
CA1287154C (en) 1991-07-30
IL78936A0 (en) 1986-09-30
NO872195D0 (en) 1987-05-26
DE3782973T2 (en) 1993-04-29
DE3782973D1 (en) 1993-01-21
US4731788A (en) 1988-03-15
NO872195L (en) 1987-11-30
NO168397C (en) 1992-02-12
EP0247823B1 (en) 1992-12-09

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